In his State of the Union address, President Barack Obama proposed raising the minimum wage from $7.25 an hour to $9 an hour. That would be almost a 25 percent increase. Let's look at the president's proposal, but before doing so, let's ask some other economic questions.
Are people responsive to changes in price? For example, if the price of cars rose by 25 percent, would people purchase as many cars? Supposing housing prices rose by 25 percent, what would happen to sales? Those are big-ticket items, but what about smaller-priced items? If a supermarket raised its prices by 25 percent, would people purchase as much? It's not rocket science to conclude that when prices rise, people adjust their behavior by purchasing less.
It's almost childish to do so, but I'm going to ask questions about 25 percent price changes in the other way. What responses would people have if the price of cars or housing fell by 25 percent? What would happen to supermarket sales if prices fell by 25 percent? Again, it doesn't require deep thinking to guess that people would purchase more.
This behavior in economics is known as the first fundamental law of demand. It holds that the higher the price of something the less people will take and that the lower the price the more people will take. There are no known exceptions to the law of demand. Any economist who could prove a real-world exception would probably be a candidate for the Nobel Memorial Prize in Economic Sciences and other honors.
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